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Gemcitabine Hydrochloride for Injection 0.2g
Composition:
Each vial contains:
- Gemcitabine Hydrochloride 200mg (equivalent to 200mg Gemcitabine)
Description:
Gemcitabine is a nucleoside analog that inhibits DNA synthesis, leading to cell cycle arrest and apoptosis (programmed cell death) in tumor cells. It has broad-spectrum activity against various cancers.
Indications:
Gemcitabine is indicated for the treatment of:
- Non-small cell lung cancer (NSCLC) (as monotherapy or in combination with cisplatin)
- Pancreatic cancer (first-line treatment for locally advanced or metastatic cases)
- Bladder cancer (in combination with cisplatin)
- Breast cancer (in combination with paclitaxel for metastatic cases)
- Ovarian cancer (in combination with carboplatin)
Dosage & Administration:
Recommended Dosage (Adults Only):
Non-Small Cell Lung Cancer (NSCLC):
- Monotherapy: 1000 mg/m² IV on Days 1, 8, and 15 of a 28-day cycle
- Combination with Cisplatin: 1250 mg/m² IV on Days 1 and 8 of a 21-day cycle
Pancreatic Cancer:
- 1000 mg/m² IV once weekly for 7 weeks, followed by 1 week of rest, then continue with a 28-day cycle (Days 1, 8, and 15)
Bladder Cancer:
- Combination with Cisplatin: 1000 mg/m² IV on Days 1, 8, and 15 of a 28-day cycle
Breast Cancer:
- Combination with Paclitaxel: 1250 mg/m² IV on Days 1 and 8 of a 21-day cycle
Ovarian Cancer:
- Combination with Carboplatin: 1000 mg/m² IV on Days 1 and 8 of a 21-day cycle
Administration:
- IV Infusion over 30 minutes (do not administer as a rapid bolus)
- Reconstitution:
- Add 5mL of sterile 0.9% sodium chloride injection to the 200mg vial
- Shake gently until completely dissolved
- Use within 24 hours after reconstitution (store at 2-8°C if not used immediately)
Dose Adjustments:
- Hepatic Impairment: Use with caution-monitor liver function
- Renal Impairment: No specific adjustments, but monitor for toxicity
- Hematologic Toxicity: Reduce or delay dosing based on neutropenia or thrombocytopenia
Contraindications:
- Hypersensitivity to Gemcitabine or excipients
- Severe bone marrow suppression
- Pregnancy & breastfeeding (Category D - may cause fetal harm)
Precautions:
- Myelosuppression: Monitor WBC, platelets, and hemoglobin levels
- Hepatotoxicity: Monitor ALT, AST, and bilirubin
- Renal toxicity: Risk of hemolytic uremic syndrome (HUS)
- Pulmonary toxicity: Risk of interstitial lung disease (ILD) or pulmonary edema
- Capillary Leak Syndrome (CLS): Rare but serious risk
Adverse Reactions:
- Common: Fatigue, nausea, vomiting, fever, rash, flu-like symptoms
- Serious: Bone marrow suppression, liver enzyme elevation, kidney dysfunction, lung toxicity
Drug Interactions:
- Cisplatin & Carboplatin: Increased hematologic toxicity
- Paclitaxel: Enhanced side effects-administer Paclitaxel before Gemcitabine
- Radiotherapy: Increased risk of radiation recall syndrome
Overdose & Management:
- Symptoms: Severe neutropenia, thrombocytopenia, hepatotoxicity
- Treatment: Supportive care, transfusions if necessary, and infection prevention
Storage Conditions:
- Store below 25°C, in a dry place
- Use within 24 hours after reconstitution (keep at 2-8°C)
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